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- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- A dyke was built to retain the floods. 修了一道堤坝挡住洪水。
- He retained the best lawyer in the state. 他聘请了该州最好的律师。
- The street had retained some of its old elegance. 这条街保留了一些旧日的风姿。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- He retained the best lawyer in the state to defend his case. 他为他的案子聘了该州最好的律师。
- retained nitrogen 氮贮留量, 保留氮
- We retained the original fireplace when we decorated the room. 我们装修房间时保留了原有的壁炉。
- I retain a clear memory of those days. 我还清晰地记得那些日子。
- These cells had retained a diploid karyotype. 这些细胞持有二倍体核型。
- They retained a famous lawyer to defend their case. 他们聘请了一位著名的律师为他们的案件进行辩论。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- He has managed to retain most of his fortune. 他设法保存了他的大部分财产。
- Concentrated study will help you to retain knowledge. 专心学习有助于你记住知识。
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- He retained the copyright of his book. 他保留此书的著作权。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
